@article{SM_1976_30_1_a5,
     author = {L. A. Muravei},
     title = {Analytic continuations with respect to a~parameter of the {Green} function of exterior boundary value problems for the two-dimensional {Helmholtz} {equation.~II}},
     journal = {Sbornik. Mathematics},
     pages = {77--118},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1976_30_1_a5/}
}